निम्नलिखित

Which of the following is an essential element used in the synthesis of proteins and other compounds?

Which part of the human digestive system is responsible for nutrient absorption?

Heat transfer horizontally within the atmosphere is called ?

Which tissue acts as first line of protection for body from any physical or chemical damage?

You are given two liquid mixtures "X" and "Y". Both appear to be homogeneous, but "X" does not scatter light

In a concave mirror which of the following pair of position of object – position of image is correct?

I. At C - At C

II. At F – At Infinity

The process of union of two or more molecules of a substance to form a large single molecule is called :